6. In a survey, 25 out of 200 students indicated they would vote for Xaria for class president. If 1,000

Mathematics

1 answer:

lidiya [134]2 years ago

7 0

125 votes would be voting for Xaria

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Which of the expressions below can be factored using the difference of squares method?

zlopas [31]

Answer:

The second choice is correct. It can be factored as:

$9x^2-16y^2=(3x-4y)(3x+4y)$

Step-by-step explanation:

The Difference of Squares Method for Factoring

The expression:

$a^2-b^2=(a-b)(a+b)$

Is a widely used method to factor binomials that are expressed as the subtraction of two perfect squares.

The condition for a binomial to be factored by using this method is that both terms must have an exact square root and they must be subtracted.

The last two choices are not valid because they are not a subtraction but an addition.

The first choice is not valid because none of the terms is a perfect square.

The second choice is correct. It can be factored as:

$9x^2-16y^2=(3x-4y)(3x+4y)$

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3 years ago

PLS HURRY and thanks if you answere. A car accelerated from 45 m/S to 0 m/s in 10 seconds what is the average acceleration of th

Eva8 [605]

1: You are looking to find the mps increase over a second

2: 45 m/s from 0 m/s in 10 secs that is 4.5 m/s per second

3: The acceleration is 4.5m/s

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3 years ago

The legs of an isosceles right triangle are 11 cm long. Find the length of the hypotenuse. Round to the nearest tenth if necessa

GaryK [48]

Its a squared + xb squared = c squared so its 11 squared + 11 squared equals c squared. So I'm gonna take it down to the next step and say 11x11+ 11x11= c squared, then you end up with 121+121= c squared then you add those two and end up with 242= c squared, so then you find the square root of 242 so you should end up with 15.5 and the number goes on and on and on

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3 years ago

The fraction a/b must be equal to which expression

OlgaM077 [116]

Answer:

Step-by-step explanation:

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[PICTURE ATTACHED] sigh, another variability one. if u get it correct, i’ll make you brainliest! :’)

Dominik [7]

Answer: B

Step-by-step explanation: